class AddCacheColumn < ActiveRecord::Migration
  def self.up
    add_column :external_rss_feeds, :cache, :text
    add_column :external_rss_feeds, :cache_datetime, :datetime
  end
  
  def self.down
    remove_column :external_rss_feeds, :cache
    remove_column :external_rss_feeds, :cache_datetime
  end
end